Relt, Cmdt, Reld, And Cmdd Operations (Master) - NEC PD78076 User Manual

CHAPTER 17 SERIAL INTERFACE CHANNEL 0 ( PD78078 SUBSERIES)
(4) Various signals
Figures 17-20 to 17-25 show various signals and flag operations in the serial bus interface control register
(SBIC). Table 17-3 lists various signals in SBI.
Figure 17-20. RELT, CMDT, RELD, and CMDD Operations (Master)
SIO0
SCK0
SB0 (SB1)
RELT
CMDT
RELD
CMDD
SIO0
SCK0
SB0 (SB1)
RELD
CMDD
344
Figure 17-21. RELD and CMDD Operations (Slave)
Write FFH to SIO0
(Transfer start instruction)
A7
1
A7 A6
Slave address
Slave address write to SIO0
(Transfer Start Instruction)
A6 A1 A0
2 7 8 9
A1 A0 ACK
When addresses match
When addresses do not match
Transfer start instruction
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